Heavy truck outer grille bar



FIG. 1 is a perspective view of a heavy truck outer grille bar showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a cross-sectional view thereof, taken across line 7-7 in FIG. 3.

The broken lines shown in the drawings illustrate portions of the heavy truck outer grille bar that form no part of the claimed design. 

CLAIM The ornamental design for a heavy truck outer grille bar, as shown and described. 